版本：2.0.3
- https://cdn.bootcdn.net/ajax/libs/better-scroll/2.0.3/better-scroll.esm.js
- https://cdn.bootcdn.net/ajax/libs/better-scroll/2.0.3/better-scroll.esm.min.js
- https://cdn.bootcdn.net/ajax/libs/better-scroll/2.0.3/better-scroll.js
- https://cdn.bootcdn.net/ajax/libs/better-scroll/2.0.3/better-scroll.min.js